The only living thing that makes its own food is the plant. So the first step in a food chain is always a plant that makes its own food by sun. :)))
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Answer:
A. The Cell Wall
Explanation:
The cell wall holds and supports the shape of the cell.
Answer:
Factor analysis is a collection of techniques employed to explore underlying latent variables or factors which influence the outcomes on a number of measured variables.
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The answer is NO. This is because different environments require different adaptations. A desirable trait in one environment may be inconsequential or detrimental in another environment. This is the reason also why evolution is continuous as natural selection acts on traits of a population to ensure desirable traits are retained with changes in the environment in a dynamic world.
Answer:
Explanation:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. As a result, the amount of carbon dioxide in the atmosphere is rapidly rising.
